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15
×
Which type of UV causes wrinkles?
UV-A
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15
×
Which device converts electrical signal into sound?
Loudspeaker
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15
×
If an object is placed beyond the center of curvature of a concave mirror, what is the type and orientation of the image?
Real and Inverted
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15
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What kind of mirror is used in cars to give the driver a wider area and smaller image of traffic behind him?
Convex
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15
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RADAR stands for _______________________.
Radio Detection and Ranging
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15
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Which electromagnetic wave has the longest wavelength?
Radiowave
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banana
Go to last place!
Oops!
×
gift
Win 10 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
5
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15
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25
15
×
Which electromagnetic wave has the highest energy?
Gamma Ray
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15
×
In a convex mirror, how does the size of the image compare to the size of the object?
Smaller
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15
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What type of mirror do dentists usually use to see our teeth?
Concave
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15
×
Which indicate regions of hotter temperature when using infrared?
Red and yellow
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heart
Other team wins 15 points!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
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magnet
Take 20 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
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trap
No points!
Oops!
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magnet
Take 15 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 5 points!
Oops!
15
×
Which color in the visible spectrum has the longest wavelength
Red
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15
×
Which type of UV causes sunburn?
UV-B
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